'The empires of the future would be the empires of the mind' declared Churchill in 1943, envisaging universal empires living in peaceful harmony. Robert Gildea exposes instead the brutal realities of decolonisation and neo-colonialism which have shaped the postwar world. Even after the rush of French and British decolonisation in the 1960s, the strings of economic and military power too often remained in the hands of the former colonial powers. The...